189 lines
4.1 KiB
C++
189 lines
4.1 KiB
C++
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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// PARTICULAR PURPOSE.
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//
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// Copyright (c) Microsoft Corporation. All rights reserved
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#ifndef UNICODE
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#define UNICODE
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#endif
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#include "WebServices.h"
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#include "process.h"
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#include "stdio.h"
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#include "string.h"
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// Print out rich error info
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void PrintError(
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_In_ HRESULT errorCode,
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_In_opt_ WS_ERROR* error)
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{
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wprintf(L"Failure: errorCode=0x%lx\n", errorCode);
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if (errorCode == E_INVALIDARG || errorCode == WS_E_INVALID_OPERATION)
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{
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// Correct use of the APIs should never generate these errors
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wprintf(L"The error was due to an invalid use of an API. This is likely due to a bug in the program.\n");
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}
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HRESULT hr = S_OK;
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if (error != NULL)
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{
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ULONG errorCount;
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hr = WsGetErrorProperty(error, WS_ERROR_PROPERTY_STRING_COUNT, &errorCount, sizeof(errorCount));
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if (FAILED(hr))
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{
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goto Exit;
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}
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for (ULONG i = 0; i < errorCount; i++)
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{
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WS_STRING string;
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hr = WsGetErrorString(error, i, &string);
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if (FAILED(hr))
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{
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goto Exit;
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}
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wprintf(L"%.*s\n", string.length, string.chars);
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}
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}
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Exit:
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if (FAILED(hr))
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{
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wprintf(L"Could not get error string (errorCode=0x%lx)\n", hr);
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}
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}
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static const WS_XML_STRING valueLocalName = WS_XML_STRING_VALUE("value");
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static const WS_XML_STRING valueNs = WS_XML_STRING_VALUE("");
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static const char xml[] =
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"<?xml version='1.0' encoding='UTF-8' standalone='yes'?>"
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"<value>Hello World.</value>";
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// Main entry point
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int __cdecl wmain()
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{
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HRESULT hr = S_OK;
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WS_ERROR* error = NULL;
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WS_XML_READER* reader = NULL;
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// Create an error object for storing rich error information
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hr = WsCreateError(
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NULL,
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0,
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&error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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// Create an XML reader
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hr = WsCreateReader(
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NULL,
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0,
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&reader,
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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// Setup the input
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WS_XML_READER_BUFFER_INPUT bufferInput;
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ZeroMemory(
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&bufferInput,
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sizeof(bufferInput));
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bufferInput.input.inputType = WS_XML_READER_INPUT_TYPE_BUFFER;
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bufferInput.encodedData = (BYTE*)xml;
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bufferInput.encodedDataSize = sizeof(xml) - 1;
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// Setup the encoding
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WS_XML_READER_TEXT_ENCODING textEncoding;
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ZeroMemory(
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&textEncoding,
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sizeof(textEncoding));
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textEncoding.encoding.encodingType = WS_XML_READER_ENCODING_TYPE_TEXT;
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textEncoding.charSet = WS_CHARSET_AUTO;
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// Setup the reader
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hr = WsSetInput(
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reader,
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&textEncoding.encoding,
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&bufferInput.input,
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NULL,
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0,
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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hr = WsReadToStartElement(
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reader,
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&valueLocalName,
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&valueNs,
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NULL,
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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hr = WsReadStartElement(
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reader,
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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for (;;)
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{
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WCHAR chars[128];
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ULONG charCount;
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hr = WsReadChars(
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reader,
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chars,
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128,
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&charCount,
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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if (charCount == 0)
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{
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break;
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}
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wprintf(L"%.*s", charCount, chars);
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}
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wprintf(L"\n");
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hr = WsReadEndElement(
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reader,
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error);
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if (FAILED(hr))
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{
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goto Exit;
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}
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Exit:
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if (FAILED(hr))
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{
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// Print out the error
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PrintError(hr, error);
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}
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if (reader != NULL)
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{
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WsFreeReader(reader);
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}
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if (error != NULL)
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{
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WsFreeError(error);
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}
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fflush(stdout);
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return SUCCEEDED(hr) ? 0 : -1;
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}
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